2006201840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{317437}}^1$

素因数の和:317529

約数の個数: 40

約数和(自身を含む): 4723477440

約数和(自身を除く): 2717275600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 317437, 634874, 1269748, 1587185, 2539496, 3174370, 5078992, 6348740, 12697480, 25077523, 25394960, 50155046, 100310092, 125387615, 200620184, 250775230, 401240368, 501550460, 1003100920, 2006201840]

約数ペア:

[(1, 2006201840), (2, 1003100920), (4, 501550460), (5, 401240368), (8, 250775230), (10, 200620184), (16, 125387615), (20, 100310092), (40, 50155046), (79, 25394960), (80, 25077523), (158, 12697480), (316, 6348740), (395, 5078992), (632, 3174370), (790, 2539496), (1264, 1587185), (1580, 1269748), (3160, 634874), (6320, 317437)]